Mathematics, 22.06.2019 21:10 weg5309
About 30% of people age 50 to 60 suffer from mild depression. a researcher is interested in determining if a vitamin d supplement will increase or decrease the proportion of people that have mild depression. the researcher randomly selects 500 people between the ages of 50 and 60 and ask them to take a vitamin d supplement for 6 months. at the end of the six months, the participants are asked to complete a survey. a psychologist then classifies each participant as either depressed or not. the psychologist classifies 158 people as depressed. is the proportion of people that are classified as depressed different from 0.30? what is the null and alternative hypothesis?
Answers: 2
Mathematics, 21.06.2019 20:30
Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row.sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length.o. the number of stitches is 3 times the length.
Answers: 2
Mathematics, 21.06.2019 22:00
Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0
Answers: 2
About 30% of people age 50 to 60 suffer from mild depression. a researcher is interested in determin...
Spanish, 11.11.2020 23:40
Mathematics, 11.11.2020 23:40
History, 11.11.2020 23:40
Mathematics, 11.11.2020 23:40
Mathematics, 11.11.2020 23:40
Computers and Technology, 11.11.2020 23:40
Social Studies, 11.11.2020 23:40
English, 11.11.2020 23:40
Mathematics, 11.11.2020 23:40
Business, 11.11.2020 23:40
History, 11.11.2020 23:40
Mathematics, 11.11.2020 23:40
English, 11.11.2020 23:40